i am proficient in vs i am proficient with

Both "I am proficient in" and "I am proficient with" are correct, commonly used English phrases. The choice between them depends on the context and the object that follows. Use "I am proficient in" when referring to a skill, language, or subject area, and use "I am proficient with" when referring to tools, software, or instruments.

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Last updated: September 15, 2024 • 17023 views

i am proficient in

This phrase is correct and commonly used in English when referring to skills, languages, or subject areas.

Use "I am proficient in" followed by a skill, language, or subject area to indicate a high level of competence or expertise in that specific area.

Examples:

I am proficient in Spanish.
She is proficient in programming.
He is proficient in mathematics.

Show examples from the web [+]

I am so proficient in one quarter of an hour, that I can drink with any tinker in his own language.
I am so proficient in one quarter of an hour, that I can drink with any tinker in his own language.
I didn't know you were so proficient in making deals, Mr. President.
You would have been proficient in anything, Lady Catherine.
Frank is the only engineer proficient in such obsolete technology.
He seems to be very proficient in his chosen profession.
I'm proficient in Mandarin and Japanese, you know.
Proficient in folk dancing I see.
I'm not proficient in that sort of...
You had a paper route and you're "proficient in martial arts", though not proficient in spelling it.
I've found that those who understand something as detailed as that are also proficient in sign language.
- Are you proficient in other languages?
Proficient in the rumba, waltz and cha-cha.
What I'm proposing is a pilot program to train country doctors to become proficient in deduction...
I'm a people person, proficient in Word '97 and my biggest flaw is that I'm a perfectionist.
You can tell me why an American who is seemingly without employment and a place of residence and proficient in firearms is currently buying ordinance.
While retaining their own distinctive culture, which makes Europe a richer place, they must respect their state, be proficient in its language and have the knowledge of its history and traditions.
MEPs in the Culture and Education Committee acknowledge that it is difficult, in particular for those whose mother tongue is English, to maintain sufficient interest and motivation in becoming proficient in other European languages.
MEPs in the committee acknowledge that it is difficult, in particular for those whose mother tongue is English, to maintain sufficient interest and motivation in becoming proficient in other European languages, which would underpin mutual understanding and empathy across Europe.
It is important for mobile professionals to realise that they must be proficient in the language of their host country since the ability to communicate is a prerequisite for practising.

Alternatives:

I have proficiency in
I excel in

i am proficient with

This phrase is correct and commonly used in English when referring to tools, software, or instruments.

Use "I am proficient with" followed by tools, software, or instruments to indicate a high level of skill or competence in using them.